Plants are characterized by having alternation of generations in their life cycles. This tutorial is a review of plant m..
Different mental disorders are described here. Read this tutorial to get an overview of schizophrenia, affective mood di..
Multicellular organisms evolved. The first ones were likely in the form of sponges. Multicellularity led to the evolutio..
The human body is capable of regulating growth and energy balance through various feedback mechanisms. Get to know the e..
Plants in lentic habitats have features not found in terrestrial plants. They acquired these features as they adapt to t..
Bryophytes (nonvascular plants) are a plant group characterized by lacking vascular tissues. They include the mosses, th..